🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.71 AU - 0.71 AU

Year: 209 Days

Day: 22.2 Hours

Environment

Temp: 152 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 113,735,943 km

• M1: 157,078 km (0.094 R)
• M2: 423,362 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.66 AU - 0.78 AU

Year: 214 Days

Day: 27.3 Hours

Environment

Temp: 183 °C

Axial Tilt: 41.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.17 AU - 3.09 AU

Year: 1492 Days

Day: 18.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.52 AU - 5.74 AU

Year: 3485 Days

Day: 22.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.8

Radius: 13.5

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.93 AU - 6.91 AU

Year: 5039 Days

Day: 5.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 113,735,943 km

• M1: 167,849 km (0.108 R)
• M2: 635,641 km (0.087 R)
• M3: 1,117,496 km (0.116 R)
• M4: 1,693,298 km (0.101 R)
• M5: 2,736,893 km (0.08 R)
• M6: 5,133,750 km (0.043 R)
• M7: 5,778,367 km (0.078 R)
• M8: 6,690,466 km (0.102 R)
• M9: 8,542,786 km (0.069 R)
• M10: 10,504,613 km (0.072 R)
• M11: 12,418,718 km (0.085 R)
• M12: 12,943,657 km (0.113 R)
• M13: 15,464,680 km (0.079 R)
• M14: 16,525,030 km (0.111 R)
• M15: 17,933,045 km (0.11 R)
• M16: 19,483,327 km (0.058 R)
• M17: 20,786,475 km (0.078 R)
• M18: 21,870,311 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.2

Radius: 14.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.98 AU - 9.2 AU

Year: 9588 Days

Day: 13.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 113,735,943 km

• M1: 177,872 km (0.072 R)
• M2: 685,308 km (0.112 R)
• M3: 1,339,051 km (0.04 R)
• M4: 1,874,611 km (0.1 R)
• M5: 2,417,053 km (0.08 R)
• M6: 4,352,550 km (0.115 R)
• M7: 5,120,137 km (0.092 R)
• M8: 6,458,439 km (0.087 R)
• M9: 7,087,349 km (0.034 R)
• M10: 10,921,393 km (0.096 R)
• M11: 14,930,167 km (0.035 R)
• M12: 15,752,057 km (0.088 R)
• M13: 18,015,473 km (0.12 R)
• M14: 20,074,688 km (0.071 R)
• M15: 24,095,579 km (0.064 R)
• M16: 25,515,114 km (0.109 R)
• M17: 28,106,897 km (0.059 R)
• M18: 28,624,655 km (0.1 R)
• M19: 31,420,789 km (0.069 R)
• M20: 32,091,137 km (0.11 R)
• M21: 34,630,710 km (0.108 R)
• M22: 36,192,811 km (0.072 R)
• M23: 37,053,149 km (0.077 R)
• M24: 42,233,723 km (0.083 R)
• M25: 45,421,354 km (0.095 R)
• M26: 48,172,758 km (0.111 R)
• M27: 50,727,441 km (0.029 R)
• M28: 51,804,995 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.5

Radius: 6

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 15.6 AU - 18.96 AU

Year: 25130 Days

Day: 20.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 113,735,943 km

• M1: 74,649 km (0.12 R)
• M2: 273,016 km (0.038 R)
• M3: 619,036 km (0.108 R)
• M4: 1,031,777 km (0.075 R)
• M5: 1,355,656 km (0.092 R)
• M6: 1,678,488 km (0.111 R)
• M7: 2,456,397 km (0.105 R)
• M8: 5,285,592 km (0.089 R)
• M9: 6,286,701 km (0.103 R)
• M10: 14,703,077 km (0.117 R)
• M11: 16,349,252 km (0.103 R)
• M12: 17,216,770 km (0.101 R)
• M13: 17,702,664 km (0.086 R)
• M14: 20,811,906 km (0.058 R)
• M15: 23,865,348 km (0.11 R)
• M16: 41,907,899 km (0.088 R)
• M17: 43,379,044 km (0.08 R)
• M18: 46,579,840 km (0.059 R)
• M19: 48,799,125 km (0.096 R)
• M20: 59,660,977 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.1

Radius: 4.5

Gravity: 47.86 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 17.11 AU - 22.41 AU

Year: 30730 Days

Day: 19.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 113,735,943 km

• M1: 121,025 km (0.06 R)
• M2: 267,481 km (0.072 R)
• M3: 463,155 km (0.115 R)
• M4: 707,897 km (0.109 R)
• M5: 860,637 km (0.102 R)
• M6: 1,049,728 km (0.097 R)
• M7: 1,512,584 km (0.049 R)
• M8: 2,077,166 km (0.106 R)
• M9: 2,743,326 km (0.043 R)
• M10: 3,541,879 km (0.093 R)
• M11: 4,253,666 km (0.054 R)
• M12: 5,538,562 km (0.078 R)
• M13: 7,222,884 km (0.082 R)
• M14: 9,739,719 km (0.119 R)
• M15: 10,834,925 km (0.118 R)
• M16: 11,858,623 km (0.118 R)
• M17: 12,162,456 km (0.081 R)
• M18: 14,265,952 km (0.095 R)
• M19: 17,463,756 km (0.083 R)
• M20: 17,857,199 km (0.096 R)
• M21: 28,752,860 km (0.104 R)
• M22: 29,026,176 km (0.111 R)
• M23: 32,442,243 km (0.092 R)
• M24: 33,941,363 km (0.046 R)
• M25: 37,400,814 km (0.094 R)
• M26: 37,890,149 km (0.089 R)
• M27: 38,383,522 km (0.049 R)
• M28: 43,019,411 km (0.045 R)
• M29: 46,684,409 km (0.119 R)
• M30: 54,837,194 km (0.117 R)
• M31: 58,697,717 km (0.073 R)
• M32: 62,964,996 km (0.1 R)
• M33: 64,587,983 km (0.105 R)
• M34: 68,159,034 km (0.081 R)
• M35: 70,859,874 km (0.052 R)
• M36: 76,736,078 km (0.095 R)
• M37: 82,652,674 km (0.11 R)
• M38: 96,296,299 km (0.068 R)
• M39: 106,071,024 km (0.062 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 16,550 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit